Caryopses of 15 grasses belonging to 6 tribes and 10 genera, collected from Vindhyan region of Uttar Pradesh, India are analyzed from micromorphological view point. The morphological parameters employed for the differentiation of caryopses of reported taxa are Apex, Base, Colour, Compression, Embryo (percentage, size and type), Length, Breadth, Length/Breadth ratio (L:B), Shape, Scutellum shape, Striations, Texture and Ventral groove. Taxonomic key and a collage of photograph is provided to facilitate easy identification of reported grass taxa.